<clickhouse>
<remote_servers>
    <cluster>
        <shard>
            <internal_replication>true</internal_replication>
            <replica>
                <host>ch1</host>
                <port>9000</port>
            </replica>
            <replica>
                <host>ch2</host>
                <port>9000</port>
            </replica>
        </shard>
    </cluster>
</remote_servers>

<macros>
        <shard>01</shard>
</macros>

</clickhouse>